The chemical substance________, released by fat cells, decreases food intake and increases energy expenditure.

In the context of the human sexual response pattern, orgasm lasts for only about

The________ is the tendency to recall the items at the beginning and end of a list more readily than those in the middle.

Relatedness refers to

________ and________ are secreted by the adrenal glands.

The________ system is the body’s electrochemical communication circuitry.

Which of the following components are essential to the definition of consciousness?

The________ approach emphasizes the scientific study of observable actions and/or responses and their environmental determinants.

The________ theory states that cells in the visual system respond to complementary pairs of red-green and blue-yellow colors; a given cell might be excited by red and inhibited by green, whereas another cell might be excited by yellow and inhibited by blue.

Classical conditioning helps to explain________, which refers to the decreased responsiveness to a stimulus after repeated presentations.